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Guill Tool, W. Warwick, R.I., has introduced the 500 Series crosshead with a mechanically assisted gum space (MAGS) adjustment. The crosshead is designed specifically for the flow characteristics and unique processing challenges of elastomers. The MAGS adjustment allows the operator to make an effortless adjustment from a single point using a common socket wrench. A visual indicator on the core tube allows the operator to see how far the gum space has been moved, making those adjustments much more accurate and repeatable.

The hardware-free and patented cam-lock design of the crosshead means no time is wasted unbolting and re-securing fasteners for disassembly and re-assembly. Only half of a rotation of the cam nut is required to loosen and automatically extract the deflector from the head body, which is another time saver. Also, with no undercuts on the deflector, there are no material hang-ups when extracting the deflector, allowing for faster and easier cleaning and changeover.

The crosshead also features the latest center-stage concentricity adjustment system that significantly reduces pressure on the tooling, allowing easier and more precise concentricity adjustments without loosening the face bolts. Easy-out inserts for the adjusting bolts also allow simple replacement of locked or damaged adjusting bolts, which further saves on repair and downtime. The crosshead also features a cast aluminum liquid-fed cooling sleeve that allows the user to switch out the cooling jacket in the event of a line obstruction, again reducing downtime compared with traditional integrated cooling systems.